Full list of all 68 The Outer Worlds achievements. It takes around 40-50 hours to unlock all of the achievements in the base game on Windows.
The base game contains 48 achievements, and there are 2 DLC packs containing 20 achievements.
Completed The Outer Worlds on hard difficulty.
Completed The Outer Worlds on supernova difficulty.
Killed 50 enemies with companion abilities.
Killed 50 enemies with sneak attacks.
Completed The Outer Worlds on any difficulty.
Used the medical inhaler 300 times.
Landed on Tartarus.
Skipped the Hope.
Skipped the Hope into the sun.
Character level 30 reached.
Wore 'A Nice Hat' and 'Chimaera' at the same time.
Killed 20 enemies that were infected by spreading N-rays.
Completed all companion quests.
Completed the SubLight quest lines.
Starred in an Odeon Pictures movie.
Killed an enemy under the effects of 4 science weapons.
Finished a companion's quest line.
Killed an enemy that was hit with all 5 damage types.
Had 75% or higher negative reputation with 3 factions.
Brought robo-destruction to Edgewater.
Saved Edgewater permanently.
Learned the shocking truth about the colony.
Dealt with the cartographer.
Landed in Byzantium.
Brokered peace between the Iconoclasts and MSI.
Won the battle of Stellar Bay.
Turned 100 enemies to ash with plasma damage.
Stopped the Monarch broadcasts.
Hit 30 enemies in the groin during tactical time dilation.
Killed an enemy with a science weapon sneak attack during TTD, with a weakspot critical hit.
Raised a skill to 100.
Recruited all of the companions.
Reached Stellar Bay.
Saved the universe's greatest diet toothpaste recipe.
Improved your gear 30 times through tinkering and mods.
Sold 10,000 bits worth of items to vendors.
Killed 30 automechanicals with shock damage.
Had 75% or higher positive reputation with 3 factions.
Used dialog skills 30 times in conversations.
Killed 50 enemies with a tossball stick or tossball blocker.
Simultaneously equipped Spacer's Choice brand clothing, headgear, and 4 weapons.
Succeeded at 3 dialog conversation checks with a single disguise.
Got your very own ship.
Acquired 3 flaws.
Killed a mega creature.
Simultaneously had bonuses for meat, carbohydrates, sugary drink, caffeine, and alcohol.
Recruited a companion.
Landed in Emerald Vale.
Completed Murder on Eridanos on any difficulty.
Acquired Spectrum Gatling, The Needler, and Udder Buddy.
Received an invitation to Eridanos.
Completed Peril on Gorgon on any difficulty.
Found 20 Portable Phonographs.
Acquired Special Delivery, P.E.T., and Employee Benefits.